Question

if the height of equilateral triangle is 3✓3 then the area of the triangle is

Answer 1

first mention base first

Answer 2

rea of an equilateral triangle =3  

3

​

sq.cm

Let the side of the equilateral triangle be acm

⇒  

4

3

​

 

​

a  

2

=3  

3

​

 

⇒a  

2

=12

⇒a=  

4×3

​

=2  

3

​

 

If the side of the triangle is considered as a base

⇒ Area of a triangle=  

2

1

​

×base×height.

⇒3  

3

​

=  

2

1

​

×2  

3

​

×h

⇒h=  

3

​

 

3  

3

​

 

​

=3cm

∴ height of the equilateral triangle is 3cm